Medical arm band



FIG. 1 is a perspective view of my new design for a medical arm band in a typical environment;

FIG. 2 is a front, right perspective view of my new design for a medical arm band;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The broken lines in FIG. 1 depict environmental subject matter, and the broken lines in FIG. 4 depict portions of the medical arm band that form no part of the claimed design; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a medical arm band, as shown and described. 